@article{GDZPPN002311003,
title = {Lp-Perturbations of Second Order Linear Differential Equations.},
journal = {Mathematische Annalen},
volume = {217},
year = {1975},
pages = {23-34},
zbl = {0288.34013},
url = {http://dml.mathdoc.fr/item/GDZPPN002311003}
}
Kwong, Man Kam. Lp-Perturbations of Second Order Linear Differential Equations.. Mathematische Annalen, Tome 217 (1975) pp. 23-34. http://gdmltest.u-ga.fr/item/GDZPPN002311003/